|Número de publicación||US2888923 A|
|Tipo de publicación||Concesión|
|Fecha de publicación||2 Jun 1959|
|Fecha de presentación||22 Nov 1955|
|Fecha de prioridad||18 Oct 1955|
|Número de publicación||US 2888923 A, US 2888923A, US-A-2888923, US2888923 A, US2888923A|
|Inventores||Reis Antonio Da Cunha|
|Cesionario original||Reis Antonio Da Cunha|
|Exportar cita||BiBTeX, EndNote, RefMan|
|Citas de patentes (8), Citada por (50), Clasificaciones (20)|
|Enlaces externos: USPTO, Cesión de USPTO, Espacenet|
June 2, 1959 A. DA CUNHA REIS NEW AMPOULE-SYRINGE 2 Sheets-Sheet 1 Filed Nov. 22, 1955 J1me 1959 A. DA CUNHA REES 2,888,923
NEW AMPOULE-SYRINGE Filed Nov. 22, 1955 2 Sheets-Sheet 2 United States Patent NEW AMPOULE-SYRINGE Antonio da Cunha Reis, Lisbon, Portugal Application November 22, 1955, Serial N 0. 548,496
7 Claims. (Cl. 128-218) This invention relates to syringes.
It is an object of the invention to provide an improved syringe which enables preparation for injections in a period of time.
It is a further object of the invention to provide an improved syringe capable of working equally Well with oil and aqueous solutions and with substances provided in the form of a powder or crystal which are to be dissolved in a fluid carrier.
It is still a further object of the invention to provide an improved syringe with which it is not necessary to draw the material to be dispensed into the same through an injection needle. Advantageously this permits a saving of the material to be dispensed since frequently much of this material is left in its original container.
In achieving the above and other of its objectives, the invention contemplates the provision of a cylinder body wherein is disposed a piston comprising first and second concentric hollow tubes having means thereon for fixing the relative positions of the tubes. The hollow tubes are displaced in a predetermined manner which will be described below so that the piston operates firstly, to prepare a material in the syringe for injection, and secondly, as a simple piston to eject the material from the syringe.
To facilitate an understanding of the invention, a preferred embodiment thereof will next be explained, in detail, with reference to the accompanying drawing in which:
Fig. 1 is an elevational view of a syringe provided in accordance With the invention with the components thereof assuming relative positions for effecting a movement of the syringe piston in the body of the syringe;
Fig. 2 is an elevational view of the syringe of Fig. 1 with the parts of the syringe in position for storage;
Fig. 3 is an axial section of the syringe with certain of the parts disengaged so as to facilitate an understanding of the construction;
Fig. 4 illustrates the outer body of the syringe;
Fig. 5 illustrates a nozzle cover employed by the syringe;
Fig. 6 illustrates one of the members of the piston of the syringe;
Fig. 7 illustrates a plug employed in the syringe for confining the material to be dispensed;
Fig. 8 illustrates a washer employed in connection with the piston of the syringe;
Fig. 9 illustrates a further member of the piston of the syringe;
Fig. 10 illustrates a head which is connected to the piston of the syringe for manipulation thereof; and
Fig. 11 illustrates a capsule in which material may be stored within the syringe.
The complete collection of elements necessary for providing a syringe in accordance with the invention is illustrated in each of Figs. 1-3, the separate components of the syringe being illustrated in Figs. 4-11. The illustrated syringe provides for accommodating, within its interi'or, one or more materials to be dispensed, these materials being hermetically sealed within the syringe and the syringe requiring an injection needle to be affixed to its end for purposes of dispensing the stored material.
The syringe includes an outer cylindrical body 1 hav ing a smooth internal bore and terminating in a conical nipple or nozzle 2 the interior of which is hollow so that the bore of the casing 1 can communicate to the outside.
The cylindrical outer body or casing 1 is shown more particularly in, Fig. 4 wherein it can be seen that the nipple 2: is afiixed in conventional manner at 7 to the main body of this component. It can also be seen that the nipple 2 is provided with an external thread 3.
The casing 1 accommodates a piston which includes an inner hollow tube 13 externally threaded along the greater part of its length and a second hollow tube 8 which is internally threaded in such a manner that it is capablev of threadably engaging the first hollow tube 13. The hollow body 8 defines, at one end, an annular groove 10 capable of accommodating a ring or rubber washer 11 (see Fig. 8) so that an air tight seal is provided between the piston and the internal bore of the casing I. The washer 11, of course, permits a sl'idable movement between the piston and the casing.
The hollow body 8 defines an opening 9 in which is accommodateda plug 18 (see Fig. 7) which itself defines a blind bore. The blind bore is adapted for accommodating the lower extremity of a hollow needle 15 which is connected with an ampoule or capsule 17 in which may be storeda material which is to be dispensed. This capsule is normally stored in the interior of the piston in a manner which will hereinafter be made apparent.
To enable a manipulation of the piston which consists of the hollow members 8 and 13 there is provided a head or knob 14 capable of being afiixed to the hollow body 13 in conventional manner such as by welding or by a set screw.
To close off the nipple 2 there is provided a conical cap (see Fig. 5) having a rim 6 adapted for tightly abutting the lower extremity of the casing 1, the cap being hollow and having an internal thread 5 capable of engaging the thread 3 of the nipple 2. It is to be noted that the cap can be provided with a pin. 4 capable of penetrating the opening of the nipple 2 so as to block the same.
With the syringe in storage position as indicated in Fig. 2, the hollow tubes 8 and 13 are engaged in such a manner that the needle 15 of the capsule 17 rests in the blind bore or well of the plug 18 with the head 14 resting against the upper extremity of the casing 1. In this position the respective threads of the tubes 8 and 13 are not fully engaged so that upon a turning of the tube 13 in the tube 8 in a direction so as to cause a further engagement between these tubes, the needle 15 will be caused to penetrate the plug 18 whereupon the material from the capsule 17 will be emptied into that portion of the casing which is confined between the lower extremity of the casing and the lower end of the piston. Alternatively material can be stored in the space 16 and this material can be re-positioned in a manner similar to that indicated above.
With the material adjacent the nipple 2 it is possible to unscrew the inner hollow tube 13 substantially but not completely from the hollow tube 8 so as to increase the effective length of the piston. With the piston so extended, the cap can be removed from the nipple 2 and an injection needle threaded thereupon. The syringe can then be used in conventional manner.
From what has been stated above it will be appreciated that the invention provides a syringe in which the material to be dispensed can be stored. The invention, morer 3 over, provides for conveniently releasing the material for injection and in achieving this objective provides for accomplishing its purpose with a minimum effort and with no exposure of any of the elements or materials which will be used for medical purposes to the possibility of contamination.
There will now be obvious to those skilled in the art many modifications and variations of the structure set forth which do not depart essentially from the spirit of the invention as defined in the following claims.
What is claimed is:
l. A syringe for use with a sterile needle comprising a casing adapted for communicably engaging said sterile needle and a piston slidably engaged within said casing for ejecting material through said sterile needle, said piston comprising a first hollow tube engaging said casing, a second hollow tube within and threadably engaging said first hollow tube, said second hollow tube being axially adjustable with respect to said first hollow tube and adapted for substantially complete insertion therein whereby the piston length may be controlled, and means on said first and second hollow tubes for fixing the relative positions thereof.
2. A syringe as claimed in claim 1 wherein said first hollow tube is provided with an annular groove and further comprising a ring engaging said groove for slidably sealing said piston with said casing.
3. A syringe as claimed in claim 2 comprising a stud, said first hollow tube being provided with an end aperture for engaging said stud, a capsule positioned in said second hollow tube, and a needle afiixed to said capsule, said second hollow tube being provided with an end aperture for the passage of said needle, said plug being provided with a well for accommodating the end of said needle with said first and sepond hollow tubes at a predetermined axial adjustment;
4. A syringe as claimed in claim 3 wherein said first and second hollow tubes are axially adjustable to permit the forcing of said needle through said plug whereby said capsule empties intothe space defined between said piston and said casing.
5. A syringe as claimed in claim 4 comprising a threaded nipple on said casing communicating with said space and adapted for engaging said sterile needle, and a threaded cap for engaging and sealing off said nipple.
6. A syringe as claimed in claim 5 comprising a head member engaging said second hollow tube for the manipulation of said piston.
7. A syringe as claimed in claim 6 comprising a mounting on said casing for detachably supporting said sterile needle whereby said sterile needle is conveniently accessible for attachment to said nipple.
References Cited the file of this patent UNITED STATES PATENTS 743,743 McCulloch Nov. 10, 1903 1,144,343 Benmosche et a1 June 29, 1915 1,234,582 Trueblood July 24, 1917 1,799,463 Hein Apr. 7, 1931 2,244,969 Smith June 10, 1941 2,684,068 Orens July 20, 1954 FOREIGN PATENTS 357,803 France Nov. 24, 1905 950,588 France Mar. 28, 1949
|Patente citada||Fecha de presentación||Fecha de publicación||Solicitante||Título|
|US743743 *||13 Jun 1903||10 Nov 1903||John Howard Mcculloch||Hypodermic syringe.|
|US1144343 *||22 Ago 1913||29 Jun 1915||Moses Benmosche||Hypodermic syringe.|
|US1234582 *||14 Dic 1916||24 Jul 1917||Barclay T Trueblood||Hypodermic syringe.|
|US1799463 *||19 Mar 1926||7 Abr 1931||Hein George N||Hypodermic syringe|
|US2244969 *||20 May 1940||10 Jun 1941||Arthur E Smith||Ampoule syringe|
|US2684068 *||21 Feb 1951||20 Jul 1954||Orens Sindey R||Syringe|
|FR357803A *||Título no disponible|
|FR950588A *||Título no disponible|
|Patente citante||Fecha de presentación||Fecha de publicación||Solicitante||Título|
|US3931815 *||2 Ene 1975||13 Ene 1976||Jintan Terumo Company, Ltd.||Assembly having an adapter and a holder with a double ended needle|
|US4507117 *||11 Jul 1983||26 Mar 1985||Vining Herbert C||Syringe apparatus with retractable needle|
|US4592744 *||14 Ago 1985||3 Jun 1986||The University Of Virginia Alumni Patents Foundation||Self-resheathing needle assembly|
|US4650468 *||26 Feb 1986||17 Mar 1987||Jennings Jr Baldwin P||Medical syringe|
|US4732302 *||2 Jun 1986||22 Mar 1988||Muehlbauer Ernst||Device for the metered discharge of dental material|
|US4846811 *||29 Ene 1987||11 Jul 1989||International Medical Innovators, Inc.||Sliding sheath for medical needles|
|US4874384 *||13 Jul 1987||17 Oct 1989||International Medical Innovators, Inc.||Needle safety guard|
|US4915699 *||19 Oct 1988||10 Abr 1990||Elliot Kornberg||Syringe|
|US4935015 *||14 Dic 1988||19 Jun 1990||Hall John E||Syringe apparatus with retractable needle|
|US4969877 *||15 Nov 1989||13 Nov 1990||The Pascall Medical Corporation||Syringe|
|US5019043 *||27 Jul 1989||28 May 1991||Vincent Miguel Segui Pastor||Syringe with needle retraction capability|
|US5154699 *||11 Jul 1990||13 Oct 1992||Ryan Medical, Inc.||Safety winged needle device for use with fistulas|
|US5188601 *||6 Nov 1991||23 Feb 1993||King Richard J||Disposable safety syringe|
|US5263933 *||8 Jul 1992||23 Nov 1993||Patco Ventures Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US5324272 *||16 Nov 1993||28 Jun 1994||Sterling Winthrop Inc.||Multiple-celled safety package, needle guard and safe disposal module for prefilled medication cartridge|
|US5338311 *||23 Ago 1993||16 Ago 1994||Mahurkar Sakharam D||Hypodermic needle assembly|
|US5346474 *||22 Feb 1993||13 Sep 1994||Design & Engineering Associates||Disposable safety syringe|
|US5372590 *||10 Ago 1993||13 Dic 1994||Habley Medical Technology Corporation||Multi-celled safety package, needle guard and safety disposal module with sleeve for prefilled medication cartridges|
|US5380296 *||13 Jun 1994||10 Ene 1995||Sterling Winthrop Inc.||Multi-celled safety package, needle guard and safe disposal module for pre-filled medication cartridges|
|US5415638 *||30 Sep 1993||16 May 1995||Inviro Medical Devices, Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US5462531 *||21 Dic 1994||31 Oct 1995||Inviro Medical Devices Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US5484421 *||1 Jul 1994||16 Ene 1996||Smocer; Anthony V.||Safety syringe|
|US5514100 *||19 Abr 1994||7 May 1996||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5520649 *||6 Jun 1995||28 May 1996||Inviro Medical Devices Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US5685862 *||18 Dic 1995||11 Nov 1997||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5836921 *||16 Ene 1996||17 Nov 1998||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US5879338 *||19 Mar 1996||9 Mar 1999||Mahurkar; Sakharam D.||Needle-syringe assembly for guidewire insertion|
|US5891105 *||3 Sep 1997||6 Abr 1999||Mahurkar; Sakharam D.||Hypodermic needle assembly|
|US6033386 *||18 Dic 1998||7 Mar 2000||Inviro Medical Devices, Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US6117112 *||18 Nov 1997||12 Sep 2000||Mahurkar; Sakharam D.||Single-use safety syringe|
|US6117113 *||14 Dic 1999||12 Sep 2000||Inviro Medical Devices Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US6183464||1 Jun 1998||6 Feb 2001||Inviro Medical Devices Ltd.||Safety syringe with retractable needle and universal luer coupling|
|US6280401||20 May 1997||28 Ago 2001||Sakharam D. Mahurkar||Hypodermic needle assembly|
|US6344031||15 Ago 2000||5 Feb 2002||Laurel A. Novacek||Safety syringe needle device with interchangeable and retractable needle platform|
|US6500129||14 Jun 2001||31 Dic 2002||Sakharam D. Mahurkar||Hypodermic needle assembly|
|US6641587||13 Jul 2001||4 Nov 2003||Kyphon Inc.||Systems and methods for treating vertebral bodies|
|US6699214||19 Ene 2000||2 Mar 2004||Scimed Life Systems, Inc.||Shear-sensitive injectable delivery system|
|US6878131||11 Ene 2002||12 Abr 2005||Inviro Medical Devices, Ltd.||Safety syringe needle device with interchangeable and retractable needle platform|
|US7252671 *||14 Ago 2003||7 Ago 2007||Kyphon Inc.||Systems and methods for treating vertebral bodies|
|US7481797||3 Nov 2006||27 Ene 2009||Mahurkar Sakharam D||Retractable needle single use safety syringe|
|US7918821||5 May 2009||5 Abr 2011||Mahurkar Sakharam D||Universal safety syringe|
|US8845580||14 Ene 2004||30 Sep 2014||Boston Scientific Scimed, Inc.||Shear-sensitive injectable delivery system|
|US20040049203 *||14 Ago 2003||11 Mar 2004||Kyphon Inc.||Systems and methods for treating vertebral bodies|
|US20040147873 *||14 Ene 2004||29 Jul 2004||Gellman Barry N||Shear-sensitive injectable delivery system|
|US20050192541 *||29 Ene 2004||1 Sep 2005||Inviro Medical Devices Limited||Safety syringe needle device with interchangeable and retractable needle platform|
|CN100486536C||13 Jul 2001||13 May 2009||科丰公司||Systems for inducting material into bone|
|WO2001052923A1 *||18 Ene 2001||26 Jul 2001||Scimed Life Systems, Inc.||Shear-sensitive injectable delivery system|
|WO2002017801A2 *||13 Jul 2001||7 Mar 2002||Kyphon Inc.||Systems and methods for treating vertebral bodies|
|WO2002017801A3 *||13 Jul 2001||29 Ago 2002||Ryan M Boucher||Systems and methods for treating vertebral bodies|
|WO2015134307A1 *||27 Feb 2015||11 Sep 2015||Merck Sharp & Dohme Corp.||Prefilled disposable injection device|
|Clasificación de EE.UU.||604/194, 604/224, 604/201, 604/195|
|Clasificación internacional||A61M5/315, A61M5/28, A61M5/31, A61M5/24|
|Clasificación cooperativa||A61M5/24, A61M2005/31598, A61M5/28, A61M2005/2407, A61M5/284, A61M5/31596, A61M5/2448, A61M2005/3104|
|Clasificación europea||A61M5/28, A61M5/28M, A61M5/315M, A61M5/24|